<template>
  <div class="todo-footer">
    <label>
      <input type="checkbox" v-model="allCheckCount" />
    </label>
    <span>
      <span>已完成{{ compelete }}</span> / 全部{{ todoList.length }}
    </span>
    <button class="btn btn-danger" @click="killCompleteHand(todoList.id)">清除已完成任务</button>
  </div>
</template>

<script>
export default {
  name: "Footer",
  // props: ["allCheck", "todoList","killComplete"],
  props: ["todoList"],
  methods: {
    killCompleteHand(id){
      this.$emit("killComplete",id)
    }
  },
  computed: {
    allCheckCount: {
      get() {
        return this.todoList.every((item) => item.done === true)&&this.todoList.length!==0 ;
      },
      set(value) {
        // this.allCheck(value);
        this.$emit("allCheck",value)
      },
    },
    compelete() {
      return this.todoList.reduce((p, c) => (c.done ? p + 1 : p), 0);
    },
  },
};
</script>

<style scoped>
/*footer*/
.todo-footer {
  height: 40px;
  line-height: 40px;
  padding-left: 6px;
  margin-top: 5px;
}

.todo-footer label {
  display: inline-block;
  margin-right: 20px;
  cursor: pointer;
}

.todo-footer label input {
  position: relative;
  top: -1px;
  vertical-align: middle;
  margin-right: 5px;
}

.todo-footer button {
  float: right;
  margin-top: 5px;
}
</style>